From: Max Filippov <jcmvbkbc@gmail.com>
Date: Thu, 20 Sep 2012 22:59:50 +0000 (+0400)
Subject: target-xtensa: don't emit extra tcg_gen_goto_tb
X-Git-Tag: v2.7.1~4471
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=c26032b2c91721245bfec542d94f37a0238e986e;p=mirror_qemu.git

target-xtensa: don't emit extra tcg_gen_goto_tb

Unconditional gen_check_loop_end at the end of disas_xtensa_insn
can emit tcg_gen_goto_tb with slot id already used in the TB (e.g. when
TB ends at LEND with a branch).

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: malc <av1474@comtv.ru>
---

diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 7a1c528fc8..b6643eb818 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -2520,7 +2520,9 @@ static void disas_xtensa_insn(DisasContext *dc)
         break;
     }
 
-    gen_check_loop_end(dc, 0);
+    if (dc->is_jmp == DISAS_NEXT) {
+        gen_check_loop_end(dc, 0);
+    }
     dc->pc = dc->next_pc;
 
     return;